+++ /dev/null
-/*
- * Copyright (C) 2011 Mathieu Desnoyers (mathieu.desnoyers@efficios.com)
- *
- * wrapper around splice_to_pipe. Using KALLSYMS to get its address when
- * available, else we need to have a kernel that exports this function to GPL
- * modules.
- *
- * Dual LGPL v2.1/GPL v2 license.
- */
-
-#ifdef CONFIG_KALLSYMS
-
-#include <linux/kallsyms.h>
-#include <linux/fs.h>
-#include <linux/splice.h>
-#include "kallsyms.h"
-
-static
-ssize_t (*splice_to_pipe_sym)(struct pipe_inode_info *pipe,
- struct splice_pipe_desc *spd);
-
-ssize_t wrapper_splice_to_pipe(struct pipe_inode_info *pipe,
- struct splice_pipe_desc *spd)
-{
- if (!splice_to_pipe_sym)
- splice_to_pipe_sym = (void *) kallsyms_lookup_funcptr("splice_to_pipe");
- if (splice_to_pipe_sym) {
- return splice_to_pipe_sym(pipe, spd);
- } else {
- printk(KERN_WARNING "LTTng: splice_to_pipe symbol lookup failed.\n");
- return -ENOSYS;
- }
-}
-
-#else
-
-#include <linux/fs.h>
-#include <linux/splice.h>
-
-ssize_t wrapper_splice_to_pipe(struct pipe_inode_info *pipe,
- struct splice_pipe_desc *spd)
-{
- return splice_to_pipe(pipe, spd);
-}
-
-#endif